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Synthroid and Deafness permanent - a phase IV clinical study of FDA data

Summary:

Deafness permanent is reported as a side effect among people who take Synthroid (levothyroxine sodium), especially for people who are female, 40-49 old, also take Tepezza, and have Endocrine ophthalmopathy.

The phase IV clinical study analyzes which people have Deafness permanent when taking Synthroid. It is created by eHealthMe based on reports of 237,758 people who have side effects when taking Synthroid from the FDA, and is updated regularly.

What is Synthroid?

Synthroid has active ingredients of levothyroxine sodium. It is often used in hypothyroidism. eHealthMe is studying from 249,193 Synthroid users. Check the latest studies of Synthroid.

What is Deafness permanent?

Deafness permanent is found to be associated with 5 drugs and 63 conditions by eHealthMe. Check the latest studies of Deafness permanent.

On Mar, 27, 2026

237,758 people reported to have side effects when taking Synthroid.
Among them, 11 people (0.0%) have Deafness permanent.

Could Synthroid cause Deafness permanent?

Among these 11 people:

What is the gender of people who have Deafness permanent when taking Synthroid? *

  • female: 100 %
  • male: 0.0 %

What is the age of people who have Deafness permanent when taking Synthroid? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 100 %
  • 50-59: 0.0 %
  • 60+: 0.0 %

What are other drugs people take besides Synthroid? *

  1. Tepezza: 10 people, 90.91%
  2. Vitamin D3: 5 people, 45.45%
  3. Calcium: 3 people, 27.27%
  4. Fish Oil: 3 people, 27.27%
  5. Prednisone: 3 people, 27.27%
  6. Selenium: 2 people, 18.18%
  7. Methotrexate Sodium: 2 people, 18.18%
  8. Folic Acid: 2 people, 18.18%
  9. Norco: 2 people, 18.18%
  10. Omeprazole: 2 people, 18.18%

What are other side effects people have besides Deafness permanent? *

  1. Emotional Distress: 10 people, 90.91%
  2. Tinnitus (a ringing in the ears): 10 people, 90.91%
  3. Physical Disability: 10 people, 90.91%
  4. Stress And Anxiety: 10 people, 90.91%
  5. Pain: 10 people, 90.91%
  6. Disability: 9 people, 81.82%
  7. Discomfort: 9 people, 81.82%
  8. Injury: 9 people, 81.82%
  9. Concomitant Disease Aggravated (advanced due to some of accompanying): 7 people, 63.64%
  10. Headache (pain in head): 6 people, 54.55%

What are the existing conditions these people have? *

  1. Endocrine Ophthalmopathy (increased water content of retroocular orbital tissues; associated with thyroid disease, usually hyperthyroidism): 10 people, 90.91%
  2. Stress And Anxiety: 1 person, 9.09%
  3. Polymyalgia Rheumatica (pain in many muscles): 1 person, 9.09%
  4. Itching: 1 person, 9.09%
  5. Hyperthyroidism (over activity of the thyroid gland): 1 person, 9.09%
  6. High Blood Pressure: 1 person, 9.09%
  7. High Blood Cholesterol: 1 person, 9.09%

* Approximation only. Some reports may have incomplete information.

Do you take Synthroid and have Deafness permanent?

- Check whether Deafness permanent is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

Effectiveness of, long term effects of, and alternative drugs to Synthroid:

Deafness permanent treatments and more:

How severe was Deafness permanent and when was it recovered:

Expand to all the drugs that have ingredients of levothyroxine sodium:

Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Browse all side effects of Synthroid:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all the drugs that are associated with Deafness permanent:

Browse all the conditions that are associated with Deafness permanent:

How the study uses the data?

The study uses data from the FDA. It is based on levothyroxine sodium (the active ingredients of Synthroid) and Synthroid (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Who is eHealthMe?

With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).

WARNING, DISCLAIMER, USE FOR PUBLICATION

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.

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